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GIS Data Conversion MCP Server

@ronantakizawa

Repository

Basic information

Category

Data & Analytics

License

MIT

Transports

stdio

Author

ronantakizawa

About GIS Data Conversion MCP Server

An MCP server for converting GIS filetypes (1000+ Downloads)

#gis#data-conversion#geographic-information-systems

GIS Data Conversion MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "gis-dataconversion-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "a11y-mcp-server"
      ]
    }
  }
}

GIS Data Conversion MCP Server tools

6

Test a webpage for accessibility issues using Axe-core

Test an HTML string for accessibility issues

Get information about available accessibility rules with optional filtering

Check if a foreground and background color combination meets WCAG contrast requirements

Check if ARIA attributes are used correctly in HTML

Check if content forces a specific orientation

Overview

What is GIS Data Conversion MCP?

GIS Data Conversion MCP is an MCP (Model Context Protocol) server that provides LLMs with tools for converting between common geographic data formats. It supports reverse geocoding, WKT/GeoJSON, CSV/GeoJSON, TopoJSON/GeoJSON, and KML/GeoJSON conversions.

How to use GIS Data Conversion MCP?

Install by configuring the server in your Claude Desktop MCP settings file (e.g. claude_desktop_config.json on macOS). The server is run via npx with the package a11y-mcp-server. Once configured, Claude can invoke the available conversion tools by name.

Key features of GIS Data Conversion MCP

  • Reverse geocoding to convert coordinates to location names.
  • Conversion between WKT and GeoJSON formats.
  • Conversion between CSV and GeoJSON formats.
  • Conversion between TopoJSON and GeoJSON formats.
  • Conversion between KML and GeoJSON formats.

Use cases of GIS Data Conversion MCP

  • Convert geographic coordinate data into readable location names.
  • Transform spatial data between common GIS formats for analysis or mapping.
  • Import tabular data with latitude/longitude fields as GeoJSON for web maps.
  • Export KML files from mapping applications to GeoJSON for further processing.
  • Simplify large GeoJSON datasets into more compact TopoJSON.

Frequently asked questions

1

What dependencies does GIS Data Conversion MCP use?

The server depends on `@modelcontextprotocol/sdk`, `wellknown`, `csv2geojson`, `topojson-client`, `topojson-server`, `@tmcw/togeojson`, and `xmldom`.

2

How do I install GIS Data Conversion MCP?

Install by editing your Claude Desktop MCP settings file (location varies by OS) and adding the server with command `npx` and arguments `-y a11y-mcp-server`.

3

What format conversions are supported?

Supported conversions include WKT ↔ GeoJSON, CSV ↔ GeoJSON, GeoJSON ↔ TopoJSON, KML ↔ GeoJSON, and reverse geocoding (coordinates to location name).

4

What parameters does csv_to_geojson require?

It requires `csv` (CSV string), `latfield` (latitude column name), `lonfield` (longitude column name), and an optional `delimiter` (default comma).

5

What is the default quantization for TopoJSON conversion?

The default quantization parameter is `1e4`; set it to `0` to disable simplification.

Comments

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